Merge pull request #135 from diceydawg/umass_branch

Umass branch
need to add rubyracer as java runtime
Merge branch 'umass_branch' of github.com:jjliang/databaseui into umass_branch
Layout changes to Help pages
changes for heroku
changes for heroku
Merge branch 'umass_branch'
merged umass_branch
added mysql2 back
Merge branch 'master' into umass_branch
mysql2
fixed node native status
added to seed file functional groups, also created migration setting non_itis to default to -1
added listing nodes
fixed year field in citations and added spacing
Turned off htlm autocomplete on Common name, Latin name in New Node